Neural division in Brain

In article <stephan-1311980159140001 at we-24-130-9-218.we.mediaone.net>,
stephan at nospam.ucla.edu (Stephan Anagnostaras) writes:
>>No, the article IS in Nature Medicine. This study is essentially a
>replication of Fred Gage's work over the last few years in rats, mice, and
>monkeys showing extensive cell generation in adult hippocampus.
>Surprising, but true nonetheless. This has been implicated in learning as
>well; there were several new studies about it at this week's Neuroscience
>meeting, but the exact role of neurogenesis isn't well characterized yet.